Airy and designed to impress; this is our climbing tower Excalibur. Guaranteed to provide an adventure you will never forget: 37 meters high and 11 meters of overhang. 50 tons of weight is kept in place by 36 beams, going 9 meters into the ground, and a meter-thick concrete slab. In total, this 500-ton foundation ensures Excalibur to stay in place even at force 12 Beaufort winds. source